17
The question is not clear, there were three astronauts at a time in a Apollo mission , and there were 11 Apollo missions.
A total of 71 astronauts flew into space on Apollo missions. These astronauts were divided across the 17 Apollo missions that included manned flights.
There were a total of 17 Apollo missions. Of these, 6 missions landed astronauts on the Moon between 1969 and 1972. The remaining missions were either test flights or space missions that did not involve lunar landings.
The space program before the Apollo missions was called the Gemini program. There were a total of 10 manned Gemini missions between 1964 and 1966, which focused on testing rendezvous and docking maneuvers essential for the eventual Apollo lunar missions.
As of now, there have been a total of six manned moon missions, with the Apollo program by NASA being the only missions to have successfully landed astronauts on the moon. These missions took place between 1969 and 1972.
The question is not clear, there were three astronauts at a time in a Apollo mission , and there were 11 Apollo missions.
Harrison "Jack" Schmitt PhD flew on one mission, the Apollo 17 lunar landing.
A total of 71 astronauts flew into space on Apollo missions. These astronauts were divided across the 17 Apollo missions that included manned flights.
There were a total of 17 Apollo missions. Of these, 6 missions landed astronauts on the Moon between 1969 and 1972. The remaining missions were either test flights or space missions that did not involve lunar landings.
There are a number of websites that allow one to read about the Apollo space program. Wikipedia has many details about the program and each of the missions.
The space program before the Apollo missions was called the Gemini program. There were a total of 10 manned Gemini missions between 1964 and 1966, which focused on testing rendezvous and docking maneuvers essential for the eventual Apollo lunar missions.
As of now, there have been a total of six manned moon missions, with the Apollo program by NASA being the only missions to have successfully landed astronauts on the moon. These missions took place between 1969 and 1972.
well for maned there was 1,7,8,9,10,11,12,13,14,15,16, and 17. for unmaned there was 4,5, and 6
The Apollo program consisted of a total of 17 missions, out of which 6 of them landed humans on the Moon successfully. These missions were Apollo 11, 12, 14, 15, 16, and 17.
In the Mercury progam there were 20 unmanned launches; of these four carried monkeys (2 rhesus macaque and 2 chimpanzees); and 6 manned missions. Further missions wre planned, but were cancelled in favour of the Gemini program.In the Apollo program there were 6 unmanned missions; and 12 manned mission, of these 6 missions landed on the moon.In addition the four skylab missions used Apollo equipment; as did the Apollo-Soyuz mission. However these were not considered to be part of the Apollo program.
There were a total of 15 manned flights as part of the Apollo space program. These flights included 6 missions that landed on the Moon (Apollo 11, 12, 14, 15, 16, and 17) and 9 missions that orbited the Earth and Moon but did not land.
3 astronauts flew on multiple Apollo missions * Jim Lovell - Apollo 8, Apollo 13 (intended to land) * John Young - Apollo 10 (later landed on Apollo 16) * Eugene Cernan - Apollo 10 (later landed on Apollo 17) No astronaut has walked on the moon more than once. Additionally 3 astronauts would have flew on multiple Apollo missions and possibly walked on the moon more than once had the program continued past Apollo 17 * Dick Gordon - Apollo 12 (had been slated to land on Apollo 18) * Fred Haise - Apollo 13 was scheduled for Apollo 19 * Stuart Roosa - Apollo 14 (he had also been slated to land on the moon with Apollo 20)